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Amplifier module - MAX98357 - DFRobot DFR0954
20.53 €
3590770 AN-21992
6959420922703
Доставка 11-18 р.д.
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Audio Amplifier Module - MAX98357 - DFRobot DFR0954 works great with microcontrollers that have I2S audio outputs, such as ESP32, and can be used, for example, in IoT applications, smart home devices or Bluetooth audio players. The module is powered by a voltage of 3.3 V to 5 V and can generate more than 2.5 W of power. It is also possible to configure the audio playback method by changing the impedance of the SD cable.Specifications:
- Integrated chip: MAX98357A
- Supply voltage range: 3.3 V to 5 V
- Number of output channels: 1
- Output channel selection: off, left, right or stereo - left and right
- Output power: 8 Ω 1.8 W / 4 Ω 2.5 W (into 12 db)
- Interface: I2S
- Sampling frequency: 8 kHz to 96 kHz
- Dynamic range: 105 dB (VRMS = 2.54 V, 24 or 32 bit data)
- Noise output: 25 FVRMS (24 or 32 bit data)
- Efficiency: 92%
- DAC gain accuracy: 1%
- Frequency response: ± 0.2 dB
- Class D switching frequency: 330 kHz
- Spectral bandwidth: ± 12.5 kHz
- Adjustable gain:
- When a 100 kΩ resistor is connected between GAIN and GND, the gain is 15 dB
- The gain is 12 dB when GAIN is connected directly to GND
- the gain is 9 dB when nothing is connected to GAIN
- The gain is 6 dB when GAIN is connected directly to VCC
- The gain is 3 dB when a 100 kΩ resistor is connected between the amplifier and VCC
- Outputs: pads to which the gold pin connectors included in the kit must be soldered
- Module dimensions: 18 × 18 mm
- Audio Amplifier Module - MAX98357
- 1x6 gold pin strip - 2.54 mm pitch - 2 pcs
